55587974 has 8 divisors (see below), whose sum is σ = 89796000. Its totient is φ = 25655976.

The previous prime is 55587947. The next prime is 55588003. The reversal of 55587974 is 47978555.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1068974 + ... + 1069025.

It is an arithmetic number, because the mean of its divisors is an integer number (11224500).

Almost surely, 2^55587974 is an apocalyptic number.

55587974 is a deficient number, since it is larger than the sum of its proper divisors (34208026).

55587974 is a wasteful number, since it uses less digits than its factorization.

55587974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2138014.

The product of its digits is 1764000, while the sum is 50.

The square root of 55587974 is about 7455.7343032058. The cubic root of 55587974 is about 381.6456194628.

The spelling of 55587974 in words is "fifty-five million, five hundred eighty-seven thousand, nine hundred seventy-four".